Open Access
Table 2
Check of metrological consistency of equipment.
| Equipment | Maximum permissible error of equipment | Metrological requirement to respect (tolerance) | Ca | Decision |
|---|---|---|---|---|
| Incubator | ±1.25 °C | ±1.0 °C | 0.7 | Non-conforming |
| Autoclave | ±0.2 °C | ±3 °C | 13 | Conforming |
| Water bath | ±0.05 °C | ±1 °C | 17.3 | Conforming |
| pH-meter | ±0.003 pH unit | ±0.1 pH unit | 28.9 | Conforming |
| Balanceb | ±2 mg | ±2 mg | 0.9 | Non-Conforming |
b
The maximum permissible error of the balance is not provided in the user manual. To calculate it, the Table 6 and the data in paragraph 3.5.2 of NF EN 45501 [32] standard were used.
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